def test_screengear():
"""
Tests ScreenGear's playback capabilities with custom defined dimensions -> passes if fails with ScreenShotError
"""
try:
# define dimensions of screen w.r.t to given monitor to be captured
options = {'top': 40, 'left': 0, 'width': 100, 'height': 100}
#Open Live Screencast on current monitor
stream = ScreenGear(monitor=1,
logging=True,
colorspace='COLOR_BGR2GRAY',
**options).start()
#playback
i = 0
while (i > 10):
frame = stream.read()
if frame is None: break
i += 1
#clean resources
stream.stop()
except Exception as e:
if platform.system() == 'Linux' or platform.system() == 'Windows':
logger.exception(e)
else:
pytest.fail(str(e))
def main():
# Stores if we are waiting for the holdoff timer to return
global holdoff_good
# Stores if ctrl + c has been pressed
global running
# define dimensions of screen w.r.t to given monitor to be captured
options = {
'top': args.top,
'left': args.left,
'width': args.width,
'height': args.length
}
# open video stream with defined parameters
stream = ScreenGear(monitor=args.monitor, logging=True, **options).start()
# Setup SIGINT handler for ctrl + c in a slightly more elegant way than
# try/except with KeyboardInterrupt
signal.signal(signal.SIGINT, signal_handler)
catch_times = []
previous_catch = time()
# Loop until ctrl + c is pressed
while running:
# read frames from stream
frame = stream.read()
# check for frame if Nonetype
if frame is None:
print('Error grabing frame data! Exiting.')
break
# Knock out the color from the image to make thresholding easier
frame[:, :, 0] = np.zeros([frame.shape[0], frame.shape[1]])
frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
# Set all pixles dimmer than args.threshold to 0
_, frame = cv2.threshold(frame, args.threshold, 255, cv2.THRESH_BINARY)
# If we are still inside the holdoff period we skip the frame summing
# and checking
if holdoff_good:
# Sum up all pixles in the frame, when the bobber is underwater
# the scene should be all 0s.
frame_sum = frame.sum()
if frame_sum == 0:
Timer(args.delay, holdoff_good_callback).start()
if not args.debug:
Timer(args.recast, cast).start()
holdoff_good = False
if args.debug:
print('Caught!')
else:
pyautogui.click(button='right')
cur_catch = time()
catch_times.append(cur_catch - previous_catch)
previous_catch = cur_catch
print(
f'Total Catches {len(catch_times)}, Avg Catch Time: {round(average(catch_times), 5)}, STD: {round(std(catch_times), 5)}, Min: {round(min(catch_times), 5)}, Max: {round(max(catch_times), 5)}',
end='\r')
# Show output window if we are in debug mode
if args.debug or args.show:
cv2.imshow("Output Frame", frame)
# check for 'q' key if pressed
key = cv2.waitKey(1) & 0xFF
if key == ord("q"):
print('')
break
# close output window
cv2.destroyAllWindows()
# safely close video stream
stream.stop()
# loop over
while True:
# read frames from stream
frame = stream.read()
# check for frame if Nonetype
if frame is None:
break
# {do something with the frame here}
# Show output window
cv2.imshow("Output Frame", frame)
# check for 'q' key if pressed
key = cv2.waitKey(1) & 0xFF
if key == ord("q"):
break
# close output window
cv2.destroyAllWindows()
# safely close video stream
stream.stop()
class DTLApp(App):
state = False
interval = 1.0
stream = None
writer = None
timer = None
def load_custom_config(self):
path = get_path('config', parent=True) + '/cfg.json'
try:
config = json.load(open(path))
except:
config = DEFAULT_CONFIG
json.dump(config, open(path, 'w'))
return config
def build(self):
self.custom_cfg = self.load_custom_config()
self.interval = self.custom_cfg['interval']
self.title = 'Desktop Time Lapse'
layout = BoxLayout(orientation='vertical')
h_layout_1 = BoxLayout(orientation='horizontal')
h_layout_1.add_widget(Label(text='Interval:', size_hint=(0.25, 1)))
self.text_input = FloatInput(text=str(self.interval),
size_hint=(0.25, 1),
multiline=False)
h_layout_1.add_widget(self.text_input)
set_btn = Button(text='Set', size_hint=(0.5, 1))
set_btn.bind(on_press=self.set_btn_press)
h_layout_1.add_widget(set_btn)
layout.add_widget(h_layout_1)
h_layout_2 = BoxLayout(orientation='horizontal')
h_layout_2.add_widget(Label(text='State:'))
self.state_label = Label(text='Idle')
h_layout_2.add_widget(self.state_label)
layout.add_widget(h_layout_2)
h_layout_3 = BoxLayout(orientation='horizontal')
h_layout_3.add_widget(Label(text='Duration:'))
self.rt_label = Label(text='0')
h_layout_3.add_widget(self.rt_label)
h_layout_3.add_widget(Label(text='VTime:'))
self.vt_label = Label(text='0')
h_layout_3.add_widget(self.vt_label)
layout.add_widget(h_layout_3)
h_layout_4 = BoxLayout(orientation='horizontal')
h_layout_4.add_widget(Label(text='Frames:', size_hint=(0.25, 1)))
self.frame_label = Label(text='0', size_hint=(0.25, 1))
h_layout_4.add_widget(self.frame_label)
self.record_btn = Button(text='Start Record', size_hint=(0.5, 1))
h_layout_4.add_widget(self.record_btn)
layout.add_widget(h_layout_4)
self.record_btn.bind(on_press=self.record_btn_press)
self.event = Clock.schedule_interval(self.update_label, 0.1)
return layout
def set_btn_press(self, instance):
try:
interval = float(self.text_input.text)
if int(interval / 0.01) > 0:
self.interval = 0.01 * int(interval / 0.01)
self.text_input.text = str(self.interval)
except:
pass
def record_btn_press(self, instance):
if not self.state:
self.state_label.text = 'Record'
self.record_btn.text = 'Stop Record'
self.start_time = datetime.datetime.now()
self.stream = ScreenGear(monitor=1,
**{
'THREADED_QUEUE_MODE': False
}).start()
output_params = {
'-vcodec': 'libx264',
'-crf': 0,
'-preset': 'fast'
}
self.video_path = get_path('video', parent=True) + '/' + \
self.start_time.strftime("%Y-%m-%d %H_%M_%S.mp4")
self.writer = WriteGear(output_filename=self.video_path,
compression_mode=True,
**output_params)
self.count = 0
self.count_frames = 0
self.timer = TimerThread(self.interval, self.record_image)
self.timer.start()
else:
self.timer.stopped.set()
self.state_label.text = 'Idle'
self.record_btn.text = 'Start Record'
self.stream.stop()
self.stream = None
self.writer.close()
self.writer = None
self.start_time = None
self.state = not self.state
def on_stop(self):
if self.writer:
self.writer.close()
if self.stream:
self.stream.stop()
def record_image(self):
if not self.state:
return
frame = self.stream.read()
self.writer.write(frame)
self.count_frames += 1
def update_label(self, dt):
if not self.state:
return
self.frame_label.text = str(self.count_frames)
d_time = str(datetime.datetime.now() - self.start_time)
self.rt_label.text = d_time[:d_time.find('.')]
v_time = str(datetime.timedelta(seconds=int(self.count_frames // 25)))
self.vt_label.text = v_time
